All-purpose griddle



FIG. 1 is a top plan view elevation of an all-purpose griddle showing my new design;

FIG. 2 is a bottom plan view thereof;

FIG. 3 is a front elevation (back elevation mirror image of front elevation) view thereof;

FIG. 4 is a right elevation thereof; and,

FIG. 5 is a left elevation view thereof. 

The ornamental design for an all-purpose griddle, as shown. 